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61055016 = 23311231269
BaseRepresentation
bin1110100011101…
…0000000101000
311020212220201220
43220322000220
5111112230031
610020342040
71340646651
oct350720050
9136786656
1061055016
11315115a0
1218544920
13c859239
148174528
155560596
hex3a3a028

61055016 has 32 divisors (see below), whose sum is σ = 166514400. Its totient is φ = 18501440.

The previous prime is 61055011. The next prime is 61055017.

61055016 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (61055011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115371 + ... + 115898.

It is an arithmetic number, because the mean of its divisors is an integer number (5203575).

Almost surely, 261055016 is an apocalyptic number.

61055016 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

61055016 is an abundant number, since it is smaller than the sum of its proper divisors (105459384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61055016 is a wasteful number, since it uses less digits than its factorization.

61055016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231289 (or 231285 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 61055016 is about 7813.7709206247. The cubic root of 61055016 is about 393.7680271918.

The spelling of 61055016 in words is "sixty-one million, fifty-five thousand, sixteen".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 231269 462538 693807 925076 1387614 1850152 2543959 2775228 5087918 5550456 7631877 10175836 15263754 20351672 30527508 61055016